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Devin Singh

PROFILE

Devin Singh

Dr. Singh contributed to the Purdue-SoCET/RISCVBusiness repository by engineering robust cache coherence and bus interface solutions for a RISC-V multicore system. He refactored L1 cache coherence to use a bus-based control path, parameterized caches for multicore scalability, and improved error handling across cache and bus layers. Using SystemVerilog and C++, he stabilized interrupt handling, enhanced hardware performance monitoring, and automated documentation deployment with GitHub Actions. His work included standardizing configuration parsing, decoupling tag writes to prevent false snoop responses, and refining test infrastructure for cache stress and multicore validation, demonstrating depth in digital logic design and embedded systems reliability.

Overall Statistics

Feature vs Bugs

62%Features

Repository Contributions

23Total
Bugs
5
Commits
23
Features
8
Lines of code
3,481
Activity Months5

Work History

October 2025

2 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for Purdue-SoCET/RISCVBusiness focusing on reliability and correctness improvements. Delivered two major robustness enhancements in the RISCVBusiness stack: Bus Controller Robustness: L2 Error Forwarding in the writeback path; Cache Coherence Robustness: Decouple Tag Writes to prevent edge-case false snoop responses. These changes improved verification accuracy, memory operation safety, and overall system reliability, reducing risk of data corruption and flaky tests.

September 2025

1 Commits

Sep 1, 2025

Monthly performance summary for 2025-09 focusing on stabilizing builds and aligning hardware-software interfaces in Purdue-SoCET/RISCVBusiness. Key deliverables include a targeted coherence-bus refactor and configuration-name cleanups that reduce build errors and improve maintainability across modules.

May 2025

11 Commits • 4 Features

May 1, 2025

May 2025 monthly summary for Purdue-SoCET/RISCVBusiness focusing on feature delivery, bug fixes, and impact across CI/CD, core configuration, ISA standardization, build stability, cache/bus coherence, and multicore testing.

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025 (Purdue-SoCET/RISCVBusiness): Improved reliability and observability in the RISC-V pipeline through interrupt handling stabilization and hardware performance monitoring. These efforts deliver measurable business value by reducing interrupt-related memory-operation hazards and by enabling detailed performance analysis via new cache-miss metrics and CSR exposure.

December 2024

7 Commits • 2 Features

Dec 1, 2024

Concise monthly summary for 2024-12 focused on Purdue-SoCET/RISCVBusiness. Highlights two major deliverables: a L1 cache coherence refactor with bus-based control and enhanced test infrastructure for cache stress and multicore validation. Emphasis on business value: more scalable coherence path, cleaner interfaces, and more reliable automated testing for faster validation cycles.

Activity

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Quality Metrics

Correctness87.8%
Maintainability87.0%
Architecture84.4%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

AssemblyCC++MarkdownPythonShellSystemVerilogYAML

Technical Skills

Assembly LanguageBus InterfaceBus Interface DesignBus InterfacesBus ProtocolC++ DevelopmentCI/CDCPU ArchitectureCache CoherenceCache CoherencyCache DesignConfiguration ManagementDebuggingDigital Logic DesignDocumentation

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

Purdue-SoCET/RISCVBusiness

Dec 2024 Oct 2025
5 Months active

Languages Used

AssemblyC++ShellSystemVerilogCMarkdownPythonYAML

Technical Skills

Assembly LanguageBus InterfaceBus InterfacesC++ DevelopmentCache CoherenceCache Coherency

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